World War 1 After the Franco Prussian War, Europe and the United States experienced a period of relative peace. There was rapid industrial and commercial progress. The western powers expanded trade and colonies. However, national rivalries gradually grew and alliance camps emerged. Economic competition and arms race also became intense. The Balkans became a hot pot of western intervention, as the Ottoman Empire declined. Finally war broke out in 1914, a war which was unexpectedly disastrous and …showed first 75 words of 523 total…

…showed last 75 words of 523 total…